it's not defending the law, but a group from the republican congress is defending it. >> they're also going to have to look at california's prop 8, to review that, the amendment to the constitution is that marriage is between a man and a woman. >> they look at that and the lower courts threw that out. they said that under the supreme court's precedence in another case about gay rights, that the california voters could not amend the constitution to exclude same-sex marriage once same-sex marriage had already been offered in california. >> higher education admissions. at the heart of this case, abgait fisher, because fisher says she was denied to the university of texas because she is white. what factors would affect their ruling? >> the court has ruled before that diversity is a compelling government interest. the government in other words has an interest, universities have an interest in compiling diverse classes of students, that diversity helps everyone and that they can look at an applicants's race in making some of those decisions. the court has changed since that last decision, t